esp32 & esp8266
Scentronic: ESP32 and Gas Sensors Send Smells Over the Internet
Ohio State's Scentronic uses six gas sensors, machine learning and an ESP32 to detect a smell and recreate it remotely. Here is how to…
diy projects
A Touchscreen Woven Into Fabric: 96 LEDs per Fiber, Washable
NUS researchers wove 54 LED fibers into a sleeve that plays video, senses touch and survives 50 washes. See how it works and a…
robotics
MIT Roughened Optical Fibers Sense 3D Shape in Soft Silicone
MIT embedded roughened rubber waveguides in silicone to track 3D shape with under 0.4 cm error. Here's how to try the same light-loss trick…
diy projects
LED Bubble Hair Extensions with Motion-Reactive Rain Effects
Braid 2020 NeoPixel seed pixels into hair and let an RP2040 Feather and accelerometer turn a head shake into rain and lightning. A weekend…
diy projects
EWatch: An Open Source ESP32-S3 Smartwatch You Can Program
EWatch packs an ESP32-S3, a 1.69-inch touchscreen, and a 350 mAh battery into a hackable wrist computer. See the parts, the power tricks, and…
raspberry pi
Raspberry Pi 5 and ESP32-S3 Power an Offline AI Steampunk Helmet
A Pi 5 runs a local LLM and video stream while an ESP32-S3 moves a servo eye. See how this offline wearable splits the…
diy projects
Robot Poker Chips and Heated Dice: Engineering a Casino Cheat
Mark Rober invited makers to beat his casino with hardware. A self-driving poker chip, wax-loaded dice and a wearable card counter were the result.
diy projects
This LED Staff Turns a Teensy 4.1 Into a Handheld PoV Display
A Teensy 4.1, a strip of addressable LEDs and an IMU turn a hand-spun staff into a persistence-of-vision display. Here is how to build…
diy projects
Motion-Reactive LED Devil Horns Built on an RP2040 Prop Feather
Paper-mache horns lined with 4 mm NeoPixel strip, an RP2040 Prop-Maker Feather reading your head gestures, and two animations that answer with fire.
microcontrollers
SensWear Puts an Open Source Wearable Stack on the nRF54L15
SensWear bundles an nRF54L15 board, swappable PPG, temperature and touch sensor modules, Zephyr firmware and open SDKs to fast-track wearable prototypes.
diy projects
Penn State’s Paint-On Electronic Tattoos Read ECG, EEG and EMG
Penn State's brush-on conductive ink turns bare skin into a washable electrode that records ECG, EEG and EMG, and even drove a robotic hand.
diy projects
Thread-Based Circuits Sew Health Monitoring Into Your Clothes
Tufts researchers built full analog circuits on a single gold-coated thread that senses breathing and blinking. Here is how to try sewable electronics yourself.